Clough, Richard Hudson
John Wiley & Sons, c1991
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Asiyanto
Pradnya Paramita, 2010
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Clough, Richard Hudson
John Wiley & Sons, 2000
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Levy, Sidney M.
McGraw-Hill, 2012
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Oberlender, Garold D.
Mcgraw-Hill Education, 2014
Buku Teks SO